We've stopped using rSpec ...
blog.caboo.se
blog.caboo.se
I sometimes get frustrated when people say "Why not just use 3rd party library X?" I'll tell you why: because it will eventually break.
It's certainly possible to package gems with the app, but I don't know of any established best practice for it.
I must be getting old I can't keep up. :)
I find a pinch of skepticism goes a long way.
Who cares what entp uses as a testing framework?